Main.cc: In function ‘void check(int*, int)’:
Main.cc:12:24: error: ‘n’ was not declared in this scope
for(int i = 0; i < n; i++){
^
Main.cc: In function ‘int main()’:
Main.cc:26:5: error: expected ‘;’ before ‘}’ token
}while (n < 1 || n > 1000);
^
Main.cc: In function ‘void nhap(int*, int)’:
Main.cc:8:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]);
~~~~~^~~~~~~~~~~~~
Main.cc: In function ‘int main()’:
Main.cc:25:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n)
~~~~~^~~~~~~~~~